Sipex to Hold Annual Shareholder Meeting November 30th, 2006

MILPITAS, Calif., Oct. 27 /PRNewswire-FirstCall/ -- Sipex Corporation today announced that that it will hold its annual shareholders' meeting at 10:00 a.m. on November 30th, 2006, at its Milpitas headquarters, 233 South Hillview Drive, Milpitas, California.

Details of the meeting and proxy materials will be mailed to all shareholders of record as of October 6th, 2006.

About Sipex Corporation

Sipex Corporation is an analog semiconductor company that addresses standard linear and application specific standard products (ASSP) for customer systems that are primarily targeted at the consumer, networking and industrial markets. The products are categorized into three synergistic areas of power management, interface and optical storage. Sipex is a global company with operations in Asia, Europe and North America. It is the mission of the Company to create innovative analog products that enable customers to produce differentiated products.

For additional information, contact: Ralph Schmitt CEO and Member of the Board of Directors Phone: [phone] Fax: [phone] Email: [e-mail]